T4 
DIDYNAMIA GY SINOSPERMIA. 
ftTACHYS. Gen. Pl. 
Calyx 5-fidus,aris- 
tatus. Corollas la- 
bium superius forni- 
catum ; labium infe- 
rius lateribus reflex- 
m; iacinia intermedia 
najore emarginata. 
Stamina deflorata ver- 
sus latera reflexa. 
1. Hyssopifolia. 
S. glabriuscula, gra- 
cilis, erecta; foliis ses- 
silibus lineari lanceo- 
latis linearibusque, ra- 
riter subdentatis, ver- 
ticillis subquadrifloris. 
Calyx 5— cleft, a wil- 
ed. Upper lip of the 
corolla vaulted, lower 
lip with the sides re- 
flected, and the inter- 
mediate.segment large, 
emarginate. Stamens 
when fading, reflected 
towards the sides. 
Somewhat glabrous, 
slender, erect; leaves 
sessile, linear lanceo- 
late and linear, rarely 
toothed; whorls gene- 
rally 4-flowered. 
Mich. 2. p. 4. Pursh 2,p. 407'. 
S. palustris. Walt ? 
Stem erect, smooth, 12 — 15 inches high', generally simple. Leave sr 
sessile, very finely serrulate, about an inch long, glabrous, frequently linear;at 
the base of the leaves are ; found a few bristles performing probably the func- 
tion of stipules. Flowers sessile. Calyx glabrous, the teeth ^fery acute* 
almost spinous. Corolla much longer than the calyx, a little hairy on the 
inside. Stamens nearly as long as the corolla. Anthers two lobed, incum- 
bent. Stigmas two, acute. 
Grows like all the other species of this Genus, in wet pine-barrens, 
most common in the middle country of Carolina and Georgia. 
Flowers June— August. 
2- HlS P ID 
S. caule foliisque 
Itispidis; foliis peiioia- 
tis, ovato oblongis, a- 
cutis, obtuse serratis,; 
Stem and leaves 
hispid; leaves on pe- 
tioles, ovate-oblong, 
acute, obtusely ser- 
